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Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- End Conn Size 3:
- FPT
- End Conn Size 4:
- FPT
- Finish Specification:
- ASTM A-153
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 2.5
- Size 2:
- 2.5
- Size 3:
- 2.5
- Size 4:
- 2.5
- Strength:
- STD
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Crosses
- Product Type:
- Cross
- Product Finish:
- Galvanized
- Product Material:
- Malleable Iron
- Product Weight:
- 5.75 lbs
ASC Engineered Solutions 311071005 – Frequently Asked Questions
1) Are all four openings on the 2-1/2 inch galvanized malleable iron cross the same size?
Yes, it's a straight cross with four 2-1/2 inch female pipe thread (FPT) openings, all the same size. No reducing outlets. It mates with 2-1/2 inch threaded steel or iron pipe on every run.
2) Is this malleable iron cross UL Listed and FM Approved for fire sprinkler work?
It is UL/FM rated, which is what an AHJ looks for on threaded fire protection piping. It's a standard-weight galvanized malleable iron cross, the common choice for wet and dry sprinkler mains where four-way branching is needed.
3) What pressure class is a 2-1/2 inch standard malleable iron cross?
Pressure rating follows ASME B16.3, and the fitting is standard weight (STD), which is the Class 150 line in that standard. Dimensions are governed by the same B16.3 spec, so the center-to-end takeout matches any other B16.3 150 lb fitting of that size, useful when you're prefabbing a spool.
4) Is the galvanizing on this cross hot dip or electroplated?
The zinc coating is to ASTM A-153, the hot dip galvanizing spec for iron and steel hardware. That's a heavier coating than electroplate and is what gets specified for sprinkler piping, exterior runs, and damp mechanical spaces.
5) Can I use a malleable iron cross on copper or PVC lines?
No. All four ends are threaded female iron pipe, so this suits threaded steel or iron pipe only. For copper you'd need a transition adapter with a male NPT end sweated to the tube, and for plastic you'd need a threaded PVC or CPVC adapter. Don't thread a cast iron fitting directly onto plastic pipe threads in a pressure application.
6) How much does a 2-1/2 inch galvanized cross weigh for hanger and support sizing?
5.75 lbs for the fitting itself. Worth adding to your dead load when you're spacing hangers around a four-way branch point, since the cross plus four made-up joints concentrates weight in one spot.
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Does the ASC Engineered Solutions 311071005 come with a warranty?
Absolutely. The ASC Engineered Solutions 311071005 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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